Severity: : Medium
  CVE Kennungen: : CVE-2001-0004
  Advisory Date: 15 lutego 2011

  DESCRIPTION

 IIS 5.0 and 4.0 allows remote attackers to read the source code for executable web server programs by appending "%3F .htr" to the requested URL, which causes the files to be parsed by the .HTR ISAPI extension, aka a variant of the "File Fragment Reading via .HTR" vulnerability.

  INFORMATION EXPOSURE

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1000613
  Trend Micro Deep Security DPI Rule Name: 1000613 - IIS 5.0 allows viewing files using %3F+.htr

  AFFECTED SOFTWARE AND VERSION:

  • Microsoft IIS 4.0
  • Microsoft IIS 5.0